Add server side highlighting, fixes #139
Dieser Commit ist enthalten in:
Stéphane Goetz
Ursprung
57b3848430
Commit
92db87e00d
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@ -27,7 +27,8 @@
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"symfony/polyfill-intl-icu": "^1.10",
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"symfony/process": "^4.0",
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"webuni/commonmark-table-extension": "0.9.*",
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"webuni/front-matter": "^1.0.0"
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"webuni/front-matter": "^1.0.0",
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"scrivo/highlight.php": "^9.15"
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},
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"suggest":{
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"ext-intl": "Allows to translate the modified at date"
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@ -4,7 +4,7 @@
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"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
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"This file is @generated automatically"
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],
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"content-hash": "c2a8f08a3622dfcd70136f48e4f5a0ce",
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"content-hash": "3df8e368fea890f0e123788f898cddc9",
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"packages": [
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{
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"name": "guzzlehttp/guzzle",
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@ -244,9 +244,9 @@
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"authors": [
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{
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"name": "Colin O'Dell",
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"role": "Lead Developer",
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"email": "colinodell@gmail.com",
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"homepage": "https://www.colinodell.com"
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"homepage": "https://www.colinodell.com",
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"role": "Lead Developer"
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}
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],
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"description": "PHP Markdown parser based on the CommonMark spec",
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@ -500,6 +500,73 @@
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"description": "A polyfill for getallheaders.",
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"time": "2016-02-11T07:05:27+00:00"
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},
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{
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"name": "scrivo/highlight.php",
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"version": "v9.15.10.0",
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"source": {
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"type": "git",
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"url": "https://github.com/scrivo/highlight.php.git",
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"reference": "9ad3adb4456dc91196327498dbbce6aa1ba1239e"
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},
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"dist": {
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"type": "zip",
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"url": "https://api.github.com/repos/scrivo/highlight.php/zipball/9ad3adb4456dc91196327498dbbce6aa1ba1239e",
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"reference": "9ad3adb4456dc91196327498dbbce6aa1ba1239e",
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"shasum": ""
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},
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"require": {
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"ext-json": "*",
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"ext-mbstring": "*",
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"php": ">=5.4"
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},
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"require-dev": {
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"phpunit/phpunit": "^4.8|^5.7",
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"symfony/finder": "^2.8"
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},
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"suggest": {
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"ext-dom": "Needed to make use of the features in the utilities namespace"
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},
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"type": "library",
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"autoload": {
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"psr-0": {
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"Highlight\\": "",
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"HighlightUtilities\\": ""
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},
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"files": [
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"HighlightUtilities/functions.php"
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]
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},
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"notification-url": "https://packagist.org/downloads/",
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"license": [
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"BSD-3-Clause"
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],
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"authors": [
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{
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"name": "Geert Bergman",
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"role": "Project Author",
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"homepage": "http://www.scrivo.org/"
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},
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{
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"name": "Vladimir Jimenez",
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"role": "Contributor",
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"homepage": "https://allejo.io"
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},
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{
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"name": "Martin Folkers",
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"role": "Contributor",
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"homepage": "https://twobrain.io"
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}
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],
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"description": "Server side syntax highlighter that supports 185 languages. It's a PHP port of highlight.js",
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"keywords": [
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"code",
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"highlight",
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"highlight.js",
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"highlight.php",
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"syntax"
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],
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"time": "2019-08-27T04:27:48+00:00"
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},
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{
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"name": "symfony/console",
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"version": "v4.3.4",
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@ -1503,8 +1570,8 @@
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"authors": [
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{
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"name": "Frank Kleine",
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"homepage": "http://frankkleine.de/",
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"role": "Developer"
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"role": "Developer",
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"homepage": "http://frankkleine.de/"
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}
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],
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"description": "Virtual file system to mock the real file system in unit tests.",
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@ -2018,8 +2085,8 @@
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"authors": [
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{
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"name": "Sebastian Bergmann",
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"email": "sebastian@phpunit.de",
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"role": "lead"
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"role": "lead",
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"email": "sebastian@phpunit.de"
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}
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],
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"description": "Utility class for timing",
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@ -2,21 +2,27 @@ Highlight.js highlights syntax in code examples on blogs, forums and in fact on
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You can even use [Github Flavored Markdown](!Features/CommonMark_compliant)
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We also use the [scrivo/highlight.php](https://github.com/scrivo/highlight.php) package to highlight on rendering when possible.
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Highlight.js is a powerful but heavy library, since we don't know which languages you'll use we included all of them.
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The good news is; if you use a fenced code block (` ``` `) with the language defined, the rendering is done on server side and entirely skips loading Highlight.js on the page. While still having the same end-result on your code.
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**Python**
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@requires_authorization
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def somefunc(param1='', param2=0):
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r'''A docstring'''
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if param1 > param2: # interesting
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print 'Gre\'ater'
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return (param2 - param1 + 1) or None
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```python
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@requires_authorization
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def somefunc(param1='', param2=0):
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r'''A docstring'''
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if param1 > param2: # interesting
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print 'Gre\'ater'
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return (param2 - param1 + 1) or None
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class SomeClass:<br> pass
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>>> message = '''interpreter
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... prompt'''
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class SomeClass:<br> pass
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>>> message = '''interpreter
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... prompt'''
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```
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**Python's profiler output**
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@ -9,6 +9,8 @@ class CommonMarkConverter extends \Todaymade\Daux\ContentTypes\Markdown\CommonMa
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{
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parent::extendEnvironment($environment, $config);
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$environment->addBlockRenderer('FencedCode', new FencedCodeRenderer());
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$environment->addDocumentProcessor(new TOC\Processor($config));
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$environment->addBlockRenderer('Todaymade\Daux\ContentTypes\Markdown\TableOfContents', new TOC\Renderer($config));
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}
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@ -0,0 +1,70 @@
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<?php namespace Todaymade\Daux\Format\HTML\ContentTypes\Markdown;
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use Highlight\Highlighter;
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use League\CommonMark\Block\Element\AbstractBlock;
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use League\CommonMark\Block\Element\FencedCode;
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use League\CommonMark\Block\Renderer\BlockRendererInterface;
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use League\CommonMark\ElementRendererInterface;
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use League\CommonMark\HtmlElement;
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use League\CommonMark\Util\Xml;
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class FencedCodeRenderer implements BlockRendererInterface
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{
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function __construct() {
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$this->hl = new Highlighter();
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}
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/**
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* @param AbstractBlock $block
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* @param HtmlRendererInterface $htmlRenderer
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* @param bool $inTightList
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*
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* @return HtmlElement|string
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*/
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public function render(AbstractBlock $block, ElementRendererInterface $htmlRenderer, $inTightList = false)
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{
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if (!($block instanceof FencedCode)) {
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throw new \InvalidArgumentException('Incompatible block type: ' . get_class($block));
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}
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$attrs = [];
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foreach ($block->getData('attributes', []) as $key => $value) {
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$attrs[$key] = Xml::escape($value);
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}
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$content = $block->getStringContent();
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$language = $this->getLanguage($block->getInfoWords());
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$highlighted = false;
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if ($language) {
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$attrs['class'] = isset($attrs['class']) ? $attrs['class'] . ' ' : '';
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try {
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$highlighted = $this->hl->highlight($language, $content);
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$content = $highlighted->value;
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$attrs['class'] .= 'hljs ' . $highlighted->language;
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} catch (Exception $e) {
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$attrs['class'] .= 'language-' . $language;
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}
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}
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if (!$highlighted) {
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$content = Xml::escape($content);
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}
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return new HtmlElement(
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'pre',
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[],
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new HtmlElement('code', $attrs, $content)
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);
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}
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public function getLanguage($infoWords)
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{
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if (count($infoWords) === 0 || strlen($infoWords[0]) === 0) {
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return false;
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}
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return Xml::escape($infoWords[0], true);
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}
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}
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